Daniel William Flis, M.D.
NPI 1316266042ActiveIndividual· Otolaryngology· Greenbrae, CA
Otolaryngology (M.D.) in Greenbrae, California, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 2009). 537 Medicare patients in 2024, $143,160 paid; nearly all of their 230 Part D prescriptions were generic (98%). Intuitive Surgical, Inc. was the largest of 4 companies reporting payments in 2025, $4,124 in all, mostly education.
Overview
| NPI | 1316266042 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 20, 2010 |
| Last updated in NPPES | Nov 7, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | A134236 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Otolaryngology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 537 |
|---|---|
| Services billed | 1,110 across 58 procedure codes |
| Paid by Medicare | $143,160 |
Part D prescriptions in 2024
| Prescriptions (claims) | 230 · 347 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $6,895 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Otolaryngology |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of California - UCSFSan Francisco, CA · 80 clinicians
Hospital affiliations
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- California Pacific Medical Ctr-Davies Campus HospSan Francisco, CA
- Marinhealth Medical CenterGreenbrae, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$4,124 · 7 payments from 4 companies
- 2024$235.75 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $4,032 | 4 |
| Regeneron Healthcare Solutions, Inc. | $36.11 | 1 |
| Getinge USA Sales, LLC | $28.94 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $26.92 | 1 |
What the 2025 payments were for
- Education$4,000 · 2 payments
- Food and Beverage$123.97 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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